CN110081651B - Cooling and humidifying fruit and vegetable storage room - Google Patents
Cooling and humidifying fruit and vegetable storage room Download PDFInfo
- Publication number
- CN110081651B CN110081651B CN201910311603.6A CN201910311603A CN110081651B CN 110081651 B CN110081651 B CN 110081651B CN 201910311603 A CN201910311603 A CN 201910311603A CN 110081651 B CN110081651 B CN 110081651B
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- Prior art keywords
- air
- humidifying
- air outlet
- storage chamber
- fruit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 235000012055 fruits and vegetables Nutrition 0.000 title claims abstract description 37
- 238000001816 cooling Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 6
- 235000013399 edible fruits Nutrition 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 235000013311 vegetables Nutrition 0.000 claims description 3
- 238000009736 wetting Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to a cooling and humidifying fruit and vegetable storage room, which comprises a storage room and refrigerating and humidity control equipment, wherein a controller, a refrigerating mechanism, an air outlet pipeline, a tube curtain air outlet belt and a humidifying mechanism are arranged in the storage room, the refrigerating mechanism is used for refrigerating air and conveying cool air to the air outlet pipeline, the air outlet pipeline is arranged above the storage room, a plurality of air outlets are formed in the lower surface of the air outlet pipeline, the tube curtain air outlet belt is sleeved at the lower end of the air outlet, a plurality of air outlet holes are uniformly distributed in the tube curtain air outlet belt, and the humidifying mechanism is also arranged in the air outlet pipeline and is used for sprinkling water on the tube curtain air outlet belt. The temperature of the storage room can be reduced after the humidified cold air, and the humidity of the storage room can be increased; the small holes on the air outlet belt of the tube curtain are beneficial to the comprehensive distribution of the cold air and the moisture in the storage room; the temperature sensor and the humidity sensor can monitor the temperature and the humidity in the storage room in real time, and the controller can control the temperature and the humidity of the storage room within a reasonable range, so that the long-term storage of fruits and vegetables is facilitated.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a cooling and humidifying fruit and vegetable storage room.
Background
The fruit and vegetable yield in China is high, and most of the fruits and vegetables are transported and sold in a long distance, so that fruit farmers and dealers often stock more, and a series of fruit and vegetable storage problems often occur. The fruits and vegetables are easy to be infected after rotting and deteriorating, and if the fruits and vegetables are kept not to deteriorate or are ripe too fast by means of medicines, the taste of the fruits and vegetables can deteriorate and the fruits and vegetables are not easy to sell. Meanwhile, if the fruits and vegetables are not sold in time after the fruits and vegetables are ripe, a large number of fruits and vegetables can be rotted due to backlog, and unnecessary losses are caused.
Nowadays, most of cooling and humidifying fruit and vegetable storage chambers are subjected to low-temperature storage, the air in the storage chambers is relatively dry and the humidity is insufficient due to the low-temperature storage, and meanwhile, the accumulation of gas generated by respiration of fruits and vegetables can cause adverse effects on the storage of fruits and vegetables, so that the storage chambers are ensured to have proper air humidity and gas exchange, and the cooling and humidifying fruit and vegetable storage chambers have certain significance.
Disclosure of Invention
The invention aims to provide a cooling and humidifying fruit and vegetable storage room.
The technical scheme for solving the technical problems is as follows:
the utility model provides a cooling humidification fruit vegetables storeroom, includes storeroom and refrigeration accuse wetting equipment, the storeroom side is provided with the access & exit, is provided with controller, refrigeration mechanism, air-out pipeline, pipe curtain air-out area and humidification mechanism in it, refrigeration mechanism is used for refrigerating the air to carry air-out pipeline with the air conditioning, the air-out pipeline sets up in the storeroom top, just it has a plurality of air outlets to open on the air-out pipeline, the cover of air outlet lower extreme has pipe curtain air-out area, pipe curtain air-out area is the upper end and opens, and lower extreme sealed tube-shape cloth curtain, and the equipartition has a plurality of air-out holes on the cloth curtain.
Further, a humidifying mechanism is arranged in the air outlet pipeline and used for sprinkling water on the pipe curtain air outlet belt.
Further, a drainage groove is arranged below the pipe curtain air outlet belt and used for discharging accumulated water through a water outlet pipe to cool and humidify the fruit and vegetable storage chamber.
Further, the temperature sensor and the humidity sensor are further arranged in the cooling and humidifying fruit and vegetable storage chamber, the temperature sensor is used for detecting the temperature in the storage chamber and conveying the detection result to the controller, the humidity sensor is used for detecting the humidity in the storage chamber and conveying the detection result to the controller, and the controller is used for controlling the refrigerating mechanism according to the detection result of the temperature sensor to enable the temperature in the storage chamber to be in a preset temperature range and controlling the humidifying mechanism according to the detection result of the humidity sensor to enable the humidity in the storage chamber to be in a preset humidity range.
Further, a wet curtain is further arranged between the air outlet of the refrigerating mechanism and the air outlet pipeline, and the wet curtain is used for humidifying cold air exhausted by the refrigerating mechanism.
Furthermore, a water storage tank is further arranged in the cooling and humidifying fruit and vegetable storage chamber and is used for containing clean water, so that the water is naturally evaporated, and the air humidity is increased.
Further, the pipe curtain air outlet belts are symmetrically arranged at the left side and the right side of the storage room.
Further, the front side and the rear side of the storage chamber are respectively provided with an inlet and an outlet.
Further, the humidifying mechanism comprises a water spraying pipe and a water pump, wherein the water pump is used for conveying water to the water spraying pipe, and the water spraying pipe is used for spraying water to the pipe curtain air outlet belt.
The beneficial effects of the invention are as follows: the wet curtain in the mixing bin can increase the humidity of the cold air, after sprinkling water on the pipe curtain air outlet belt, the cold air is humidified again when blown out through the plurality of small holes on the pipe curtain air outlet belt, the temperature of the storage room can be reduced, and the water is carried out through the cold air, so that the storage room can keep proper air humidity; the small holes on the air outlet belt of the tube curtain are beneficial to the uniform distribution of cold air and water vapor in the storage room; the redundant water on the pipe curtain air outlet belt can fall into a drainage groove below the pipe curtain air outlet belt and is discharged out of the storage chamber along the drainage groove, so that the water accumulation condition of the storage chamber is avoided; the temperature sensor and the humidity sensor can monitor the temperature and the humidity in the storage room in real time, the controller can timely adjust the temperature and the humidity of the storage room according to the temperature and humidity information, the temperature and the humidity of the storage room are controlled within a reasonable range, the long-term storage of fruits and vegetables is facilitated, and the outlet and the inlet are arranged relatively, so that ventilation and transportation are facilitated.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic side cross-sectional view of the present invention;
FIG. 3 is a schematic view of the bottom structure of the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
1. a water storage tank; 2. a refrigeration mechanism; 3. an air outlet pipeline; 4. a tube curtain air outlet belt; 41. an air outlet hole; 5. a humidifying mechanism; 51. a sprinkler pipe; 52. a water pump; 6. a drainage channel; 7. a wet curtain; 8. a temperature sensor; 9. a humidity sensor; 10. a mixing bin; 11. an inlet; 12. an outlet
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
1-3, a cooling humidification fruit vegetables storeroom, including storeroom and refrigeration accuse wetting equipment, the storeroom side is provided with the access & exit, is provided with controller, refrigeration mechanism 2, air-out pipeline 3, pipe curtain air-out area 4 and humidification mechanism 5 in it, refrigeration mechanism 2 is used for refrigerating the air to carry air conditioning to air-out pipeline 3, air-out pipeline 3 sets up in the storeroom top, just air-out pipeline 3 lower surface opens there are a plurality of air outlets, the cover of air outlet lower extreme has pipe curtain air-out area 4, pipe curtain air-out area 4 is the upper end and opens, the lower extreme sealed tubular cloth curtain, and the equipartition has a plurality of air-out holes 41 on the cloth curtain.
As an implementation manner, a humidifying mechanism 5 is further arranged in the air outlet pipeline 3, and the humidifying mechanism 5 is used for sprinkling water on the pipe curtain air outlet belt 4.
As an implementation mode, the number of the refrigerating mechanisms is two, the air outlets of the two refrigerating mechanisms are led to the mixing bin 10, a wet curtain 7 is arranged in the mixing bin 10, and the wet curtain 7 is used for humidifying cold air exhausted by the refrigerating mechanism 2.
As an implementation mode, a drainage groove 6 is arranged below the pipe curtain air outlet belt 4, and the drainage groove 6 is used for discharging accumulated water out of the cooling and humidifying fruit and vegetable storage chamber through a water outlet pipe.
As an embodiment, the temperature sensor 8 and the humidity sensor 9 are further disposed in the cooling and humidifying fruit and vegetable storage chamber, the temperature sensor 8 is used for detecting the temperature in the storage chamber and transmitting the detection result to the controller, the humidity sensor 9 is used for detecting the humidity in the storage chamber and transmitting the detection result to the controller, and the controller is used for controlling the refrigerating mechanism 2 according to the detection result of the temperature sensor 8 to enable the temperature in the storage chamber to be within a preset temperature range, and is also used for controlling the humidifying mechanism 5 according to the detection result of the humidity sensor 9 to enable the humidity in the storage chamber to be within a preset humidity range.
As an embodiment, a wet curtain 7 is further disposed between the air outlet of the refrigeration mechanism 2 and the air outlet pipeline 3, and the wet curtain 7 is used for humidifying the cold air exhausted by the refrigeration mechanism 2.
As an implementation mode, the cooling and humidifying fruit and vegetable storage chamber is also provided with a water storage tank 1, and the water storage tank 1 is used for containing water, so that the water is naturally evaporated, and the air humidity is increased.
As an embodiment, the pipe curtain air outlet belts 4 are symmetrically arranged at the left side and the right side of the storage room.
As an embodiment, the front and rear sides of the storage chamber are provided with an inlet 11 and an outlet 12, respectively.
As an embodiment, the humidifying mechanism 5 includes a water spraying pipe 51 and a water pump 52, the water pump 52 is used for delivering water to the water spraying pipe 51, and the water spraying pipe 51 is used for spraying water onto the curtain air outlet belt 4.
When the air conditioner is used, the water pump is started to pump water to the water spraying pipe, the water spraying pipe sprays water to the pipe curtain air outlet belt, the refrigerating mechanism 2 pumps air from the outside and conveys cold air to the mixing bin, the wet curtain in the mixing bin humidifies the cold air, the humidified cold air enters the air outlet pipeline and enters the pipe curtain air outlet belt through the air outlet pipeline, the cold air is humidified again when blown out through a plurality of small holes on the pipe curtain air outlet belt, the temperature of the storage chamber can be reduced, and the water is discharged through the cold air, so that the storage chamber keeps proper air humidity; the air outlet belt of the tube curtain is provided with a plurality of small holes which are uniformly distributed, so that the cold air and the moisture can circulate in the whole space of the storage room, and the moisture and the cold air can be reasonably distributed in the storage space; the redundant water on the pipe curtain air outlet belt can fall into a drainage groove below the pipe curtain air outlet belt and is discharged out of the storage chamber along the drainage groove, so that the water accumulation condition of the storage chamber is avoided; the temperature sensor and the humidity sensor can monitor the temperature and the humidity in the storage room in real time, the controller can timely adjust the temperature and the humidity of the storage room according to temperature and humidity information, long-term storage of fruits and vegetables is facilitated, the outlet and the inlet are arranged relatively, and ventilation and transportation are facilitated.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides a cooling humidification fruit vegetables storeroom, its characterized in that, including storeroom and refrigeration accuse wetting apparatus, the storeroom side is provided with the access & exit, be provided with controller, refrigeration mechanism (2), air-out pipeline (3), pipe curtain air-out area (4) and humidification mechanism (5) in the storeroom, refrigeration mechanism (2) are used for refrigerating the air to carry air-out pipeline (3) with the air conditioning, air-out pipeline (3) set up in the storeroom top, just it has a plurality of air outlets to open on air-out pipeline (3), the cover has pipe curtain air-out area (4) below the air outlet, pipe curtain air-out area (4) are the upper end and open, and the lower extreme seals's tube-shape cloth curtain, and the equipartition has a plurality of air-out holes (41) on the cloth curtain, be provided with humidification mechanism (5) in air-out pipeline (3), humidification mechanism (5) are used for spraying water to pipe curtain air-out area (4).
2. The cooling and humidifying fruit and vegetable storage chamber according to claim 1, wherein a drainage groove (6) is arranged below the pipe curtain air outlet belt (4), and the drainage groove (6) is used for discharging accumulated water out of the cooling and humidifying fruit and vegetable storage chamber through a water outlet pipe.
3. The cooling and humidifying fruit and vegetable storage chamber according to claim 1, wherein a temperature sensor (8) and a humidity sensor (9) are further arranged in the cooling and humidifying fruit and vegetable storage chamber, the temperature sensor (8) is used for detecting the temperature in the storage chamber and transmitting the detection result to the controller, the humidity sensor (9) is used for detecting the humidity in the storage chamber and transmitting the detection result to the controller, and the controller is used for controlling the refrigerating mechanism (2) according to the detection result of the temperature sensor (8) so that the temperature in the storage chamber is in a preset temperature range, and is also used for controlling the humidifying mechanism (5) according to the detection result of the humidity sensor (9) so that the humidity in the storage chamber is in the preset humidity range.
4. The cooling and humidifying fruit and vegetable storage chamber according to claim 1, wherein a wet curtain (7) is further arranged between the air outlet of the refrigerating mechanism (2) and the air outlet pipeline (3), and the wet curtain (7) is used for humidifying cold air exhausted by the refrigerating mechanism (2).
5. The cooling and humidifying fruit and vegetable storage chamber according to claim 1, wherein a water storage tank (1) is further arranged in the storage chamber, and the water storage tank (1) is used for containing clean water.
6. The cooling and humidifying fruit and vegetable storage room according to claim 1, wherein the tube curtain air outlet belts (4) are symmetrically arranged at the left side and the right side of the storage room.
7. The cooling and humidifying fruit and vegetable storage chamber according to claim 1, wherein an inlet (11) and an outlet (12) are respectively provided at front and rear sides of the storage chamber.
8. The cooling and humidifying fruit and vegetable storage chamber according to claim 1, wherein the humidifying mechanism (5) comprises a water sprinkling pipe (51) and a water pump (52), the water pump (52) is used for conveying water to the water sprinkling pipe (51), and the water sprinkling pipe (51) is used for sprinkling water onto the pipe curtain air outlet belt (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311603.6A CN110081651B (en) | 2019-04-18 | 2019-04-18 | Cooling and humidifying fruit and vegetable storage room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311603.6A CN110081651B (en) | 2019-04-18 | 2019-04-18 | Cooling and humidifying fruit and vegetable storage room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110081651A CN110081651A (en) | 2019-08-02 |
| CN110081651B true CN110081651B (en) | 2023-12-05 |
Family
ID=67415513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910311603.6A Active CN110081651B (en) | 2019-04-18 | 2019-04-18 | Cooling and humidifying fruit and vegetable storage room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081651B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112005739B (en) * | 2020-09-09 | 2021-09-10 | 叶官兵 | Refrigeration pipeline conveying device for low-temperature granary |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2342600Y (en) * | 1998-11-18 | 1999-10-13 | 林兴盛 | High-wet low-temp. fruit and vegetable storing preserving equipment |
| CN201403464Y (en) * | 2009-05-12 | 2010-02-17 | 上海善如水保鲜科技有限公司 | Fruit-vegetable non-congealable decompressing fresh-keeping device |
| CN107980892A (en) * | 2017-12-19 | 2018-05-04 | 山东省果树研究所 | A kind of preserving fruit and vegetable utilizing system |
| CN109373662A (en) * | 2018-09-10 | 2019-02-22 | 天津市利源捷能气调保鲜设备有限公司 | Multifunctional fresh-keeping sales cabinet for fruits and vegetables |
-
2019
- 2019-04-18 CN CN201910311603.6A patent/CN110081651B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2342600Y (en) * | 1998-11-18 | 1999-10-13 | 林兴盛 | High-wet low-temp. fruit and vegetable storing preserving equipment |
| CN201403464Y (en) * | 2009-05-12 | 2010-02-17 | 上海善如水保鲜科技有限公司 | Fruit-vegetable non-congealable decompressing fresh-keeping device |
| CN107980892A (en) * | 2017-12-19 | 2018-05-04 | 山东省果树研究所 | A kind of preserving fruit and vegetable utilizing system |
| CN109373662A (en) * | 2018-09-10 | 2019-02-22 | 天津市利源捷能气调保鲜设备有限公司 | Multifunctional fresh-keeping sales cabinet for fruits and vegetables |
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| Publication number | Publication date |
|---|---|
| CN110081651A (en) | 2019-08-02 |
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